Home / 21,492.09-29,659.01-12,060.63

Finding the Fourth Proportional to 21,492.09, 29,659.01 and 12,060.63

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Solution

The fourth proportional to 21,492.09, 29,659.01 and 12,060.63 is: 16,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492.09 : 29,659.01 = 12,060.63 : x
  2. Step 2: Convert to fraction form
    21,492.09/29,659.01 = 12,060.63/x
  3. Step 3: Cross multiply
    21,492.09x = 29,659.01 × 12,060.63
  4. Step 4: Simplify right side
    21,492.09x = 357,706,285.47
  5. Step 5: Solve for x
    x = 357,706,285.47/21,492.09
  6. Step 6: Final answer
    x = 16,643.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.